Answer:

Step-by-step explanation:
Ally gives her sister = 1/5 stickers
Ally gives her cousin = 1/5 of the remainder stickers
Assume Number of sticker Ali has = 1
Remainder after giving stickers to her sister = 1 - 1/5 = 4/5
Number of stickers she gave her sister = 
=
Sticker she has = 
=
=
Sticker left with Ally is equal to
.
You would have to pay for 3 tires
This is an obtuse triangle because one angle of it is greater than 90 degrees :)
Answer: 0.04219409282
Step-by-step explanation:
Answer:
1 1/15
Step-by-step explanation:
(I think)
And I am not a very good explainer
(sorry)